VNET [21Vianet] F-1MEF: (Original Filing)
[] [Our ref VZL\653749\4416045v4 Direct tel +852 2971 3095 Email valerie.law@maplesandcalder.com 21Vianet Group, Inc. M5, 1 Jiuxianqiao East Road Chaoyang District Beijing 100016 Peoples Republic of China 20 April 2011 Dear Sirs 21Vianet Group, Inc. Company Registration Statement Rule 462(b) Registration Statement ADSs Shares We have acted as Cayman Islands legal advisers to 21Vianet Group Inc. (the 1 Documents Reviewed] [Consents of Independent Registered Public Accounting Firm Shanghai, the Peoples Republic of China April 21, 2011 EX-23.1 3 dex231.htm CONSENTS OF ERNST & YOUNG HUA MING]